View all the state titles and state final appearances made by the South Plainfield Tigers. Since 1919, South Plainfield has made three state final appearances, and has won one state crown in boys basketball. After appearing in three state finals in four years, the Tigers have not appeared in a state championship game since 1965.
South Plainfield Tigers–State Titles
| Year | Classification |
| 1964 | Group III |
South Plainfield Tigers (1-2)–State Finals Appearances
| Year | Classification | Opponent | Result |
| 1962 | Group II | West Orange-Mountain | Lost |
| 1964 | Group III | Summit | Won |
| 1965 | Group III | Newark South Side | Lost |